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https://source.denx.de/u-boot/u-boot.git
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d9e268ed76
This commit adds basic support including: MMC, Serial console Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
90 lines
1.6 KiB
C
90 lines
1.6 KiB
C
/*
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* (C) Copyright 2016 Savoir-faire Linux Inc.
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*
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* Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
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*
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* Based on work from TS7680 code by:
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* Kris Bahnsen <kris@embeddedarm.com>
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* Mark Featherston <mark@embeddedarm.com>
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* https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680
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*
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* Derived from MX28EVK code by
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* Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/iomux-mx28.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/sys_proto.h>
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#include <linux/mii.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <errno.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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/* IO0 clock at 480MHz */
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mxs_set_ioclk(MXC_IOCLK0, 480000);
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/* IO1 clock at 480MHz */
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mxs_set_ioclk(MXC_IOCLK1, 480000);
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/* SSP0 clocks at 96MHz */
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mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
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return 0;
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}
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int dram_init(void)
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{
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return mxs_dram_init();
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}
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int board_init(void)
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{
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/* Adress of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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return 0;
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}
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#ifdef CONFIG_CMD_MMC
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static int ts4600_mmc_cd(int id)
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{
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return 1;
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}
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int board_mmc_init(bd_t *bis)
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{
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int ret;
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mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28);
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/* Power-on SD */
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gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1);
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udelay(1000);
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gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
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/* SD card */
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ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd);
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if(ret != 0) {
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printf("SD controller initialized with %d\n", ret);
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}
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return ret;
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}
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#endif
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int checkboard(void)
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{
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puts("Board: TS4600\n");
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return 0;
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}
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